Enable feature flag bydefault - domain redirect, cookie path

What does this MR do?

Enable feature flag bydefault - domain redirect, cookie path

• FF_ENABLE_DOMAIN_REDIRECT
• FF_ENABLE_PROJECT_PREFIX_COOKIE_PATH

Related issues:

• Feature flag: FF_ENABLE_DOMAIN_REDIRECT (#1087 - closed)
• Feature flag: FF_ENABLE_PROJECT_PREFIX_COOKIE_PATH (#1091 - closed)

Changelog: other

TODO

• Feature flag
  • Added feature flag:
  • This feature does not require a feature flag
• I added the Changelog trailer to the commits that need to be included in the changelog (e.g. Changelog: added)
• I added unit tests or they are not required
• I added acceptance tests or they are not required
• I added documentation (or it's not required)
• I followed code review guidelines
• I followed Go Style guidelines